Double-layer buffer template to grow commensurate epitaxial BaBiO3 thin films
Source abstract
Abstract
We propose a BaCeO3/BaZrO3 double-layer buffer template, grown on a SrTiO3 substrate, for epitaxial growth of a target oxide film with large lattice constants of over 4.1 Å. Lattice mismatch from the substrate was mostly accommodated for by a BaZrO3 arbitrating layer. Having an ideal in-plane lattice structure, BaCeO3 served as the main-buffer to grow the target material. We demonstrated commensurate epitaxy of BaBiO3 (BBO, a = 4.371 Å) utilizing the new buffer template. Our results can be applied to heteroepitaxy and strain engineering of novel oxide materials of sizable lattice constants.
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Research context
OpenAlex topics: Electronic and Structural Properties of Oxides · Ferroelectric and Piezoelectric Materials · Magnetic and transport properties of perovskites and related materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute for Basic Science (IBS) 1 Center for Correlated Electron Systems, , Seoul 08826, South Korea
Seoul National University (SNU) 2 Department of Physics and Astronomy, , Seoul 08826, South Korea
Seoul National University (SNU) 3 Department of Materials Science and Engineering, , Seoul 08826, South Korea
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